Which of the following nitrogen fertilizer sources has the least %N?

A. Urea
B. Anhydrous ammonia
C. Ammonium sulfate
D. Ammonium nitrate


Ans: C. Ammonium sulfate

Nutritional Science

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A primary way that HIV infection contributes to global hunger is by

A. causing the disability or death of young adults who are the primary wage earners in a family. B. causing the disability or death of infants and young children who are the family's future wage earners. C. disqualifying families affected by AIDS from local food distribution programs. D. forcing older adults to return to the workforce.

Nutritional Science

The energy-requiring mechanism whereby molecules move into or out of cells by way of an enclosed vesicle, known as _______________ transport, takes two major forms: _______________ (in which substances are released into the cytoplasm) and _______________ (in which substances are released into the extracellular fluid)

Fill in the blank(s) with correct word

Nutritional Science

Dietary supplements, especially multi-vitamins and minerals, can turn a bad diet into a good diet

Indicate whether the statement is true or false

Nutritional Science

At the beginning of the tricarboxylic acid (TCA) cycle, oxaloacetate is converted into which of the following molecules?

A. pyruvate B. citrate C. ATP D. carbon dioxide

Nutritional Science